Bob-sleigh



(No Model.)

Y H. L. EASTMAN.

BOB SLEIGH.

Pavpented July 9, 1895.

INVENTOH A TTORNE YS.

NITED STATES HARVEY L. EASTMAN, OF WVAHPETON, DAKOTA.

BOB-SLEIGH SPECIFICATION forming part of Letters Patent No. 542,557,dated July 9, 1895.

Application filed February 6, 1895. Serial No. 537,488. (No model.)

To all whom it may concern Be it known that I, HARVEY L. EASTMAN, ofl/Vahpeton', in the county of Richland and State of North Dakota, haveinvented a new and useful Improvement in Bob-Sleighs, of

son October 2, 1894, No. 526,938, the improve ments being such that theattachment of the knees to the holster will be much stronger than in theabove-alluded-to construction, a

knee being secured which can be manufactured by automatic machinery andmade of Wrought metal, thus adding to its cheapness as well as itsstrength, and whereby the runners will have much freer oscillatorymovement on the bolster, since each runner has an oscillatory movementindependentof the other.

The invention consists in the novel construction and combination of theseveral parts, as will be hereinafter fully set forth, and pointed outin the claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar figures and letters of referenceindicate corresponding parts in all the Views. 4

Figure 1 is a perspective view of one set of runners having theimprovement applied thereto. Fig. 2 is a side elevation of one of thesaid runners. tion through one of the bolsters, the saidsection beingtaken on the line 3 3 of Fig. 1, the said Fig. 3 likewise illustrating apartial side elevation of one of the knees. Fig. 4 is a longitudinalsection through a knee and its pivotjoint, the said section being takenon the line 4 4 of Fig. 3. Fig. 5 is a transverse section through thebolster and pivot of a knee, the.

section being taken on the line 5 5 of Fig. 4. Fig. 6 is a detailperspective view of the bolster-plate containing the socket; and Fig. 7is a perspective view of what may be termed the knee-plate, which isalso formed with sockets. i

In carrying out the invention the runners A of each set are connectedthrough the me- Fig. 3 is a transverse secdium of a bolster B and kneesO, and the forward and rear sets of runners are connected in the usualmanner. Each runner has a rocking or oscillatory movement upon the eachend on the bolster B, the bottom or body of the plate engaging with thebottom of the bolster, which is protected by a wear-plate 10, while theend members or sections 12 engage with its sides and are secured theretoby means of bolts 14 or their equivalents.

What may be termed the knee-plate or fknee-soeket plate is shown indetailin Fig. 7, and comprises two side bars 15 and 16, in each of whichside bars, at or near the center, a semicircular cavity 17 is produced,forming a socket, and the converted faces of the said sockets are theirupper faces, while the ends of the side bars 15 and 16 of the plate arebent downward and outward and are connected by end bars 18. Thus it willbe observed that the sockets 17 of the knee-plates are faced the reverseof the sockets in the bolster-plate 10.

Each knee is made from a single piece of metal and consists of twocontinuous substantially Y-shaped standards, the said standards havingcommonly an inclination in direction of each other attheir upper ends,the

said ends being the bifurcated portions of the standards, as is bestshown in Fig. '1, and the upperends of opposing meinbersof the forks areconnected by cross-bars 19, as shown in Fig. 3, in which upwardly-facingsemicircular sockets 19 are made. The upper portion of each knee issecured by means of bolts or otherwise to the end bars 18 ot' theaforesaid knee-plates, and in placing the knee-plates they are locatedbeneath the bolster, as shown in Figs. 3 and 4., the depressed or socketsections 13 of the-bolster-plates forming the bolster-sockets beinglocated between the side bars of the knee-plate containing the sockets17, and a pintle or short shaft 20 is journaled in the socket-section 13of each bolster-plate, while the socket-section 17 of each knee-platerests upon this pintle or shaft, and end jourmale for the pintle arecompleted by causing the sockets 1.9 in the upper portions of 'the kneesto register with the socket-sections 17 of the knee-plates. In thismanner itis evident dent that a durable and economic rocking connectionis obtained between the knees of the sleigh and the bolster with whichsaid knees are to be connected, and that while each runner will havefree vertical movement its side movement will be prevented by reason ofthe interlocking connection between the bolster and the knee-plates.

Braces 21 are made to connect the two standards or members 19 of theknee, and said braces, as are likewise the knee-standard sections, arebolted or otherwise attached to the runners, while the forwardknee-standard sections are connected with the ends of the runners bymeans of tie-rods 22.

The braces 21 may, if desired, be made of a single piece, so as to forma substantially U shaped brace.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. The combination, with a bolster, of runners mountedfor independent oscillatory movement, each mounting comprising kneestandards, a plate provided with sockets secured upon the kneestandards, a plate located between the sockets oftheknee standards andattached to the bolster, the bolster plate being likewise provided witha socket shaped reversely to the sockets in the knee plates, and apintle havingbearing, in the said sockets, substantially as shown anddescribed.

2; The'combination, with a bolster, of runners mounted for independentoscillatory movement, each mounting comprising a plate attached to thebolster and provided with a socket therein, knee plates located at eachside of the bolster plate, each knee plate being provided with a sockethaving a reverse curve to that of the bolster plate, and knees formed inone piece, comprising connected bifurcated standards, the said kneesbeing attached to the knee plates and likewise to the runners, as andfor the purpose set forth.

3. The combination with the runners, and a bolster, of a plate securedto the bolster and provided with a socket, knees secured to the runnerson opposite sides of the bolster and having forked upper. ends, theupper ends of the opposing members of the knees being connected by theplates having sockets therein, a plate secured to the knees and providedwith spaced sockets shaped reversely to the socket of the bolster plate,and a pintle in said sockets, substantially as described.

HARVEY L. EASTMAN. Witnesses:

W. E. PURonLL, CHAS. E. WOLFE.

